CN220663872U - Circulation transfer chain suitable for rectangular work piece production - Google Patents

Abstract

The utility model belongs to the technical field of automatic production, and particularly relates to a circulating conveying line suitable for strip workpiece production, which comprises a frame, an annular rail mechanism and a conveying driving mechanism which are arranged on the frame, and a plurality of workpiece jig mechanisms which are connected with the conveying driving mechanism and are arranged on the annular rail mechanism; the workpiece fixture mechanism comprises a positioning fixture assembly for installing and fixing a workpiece, and a first bearing pulley conveying assembly and a second bearing pulley conveying assembly which are connected with the annular track mechanism and the conveying driving mechanism and are respectively arranged at two ends of the bottom of the positioning fixture assembly. The utility model provides a circulating conveying line suitable for strip workpiece production, which not only can effectively realize the circulating conveying processing of strip workpieces and improve the circulation and production efficiency of the strip workpieces, but also can effectively reduce the whole use area of the conveying line and reduce the occupied area of equipment.

Description

Circulation transfer chain suitable for rectangular work piece production

Technical Field

The utility model belongs to the technical field of automatic production, and particularly relates to a circulating conveying line suitable for strip workpiece production.

Background

The structure of the workpiece is various, and generally has long strip, block, tubular and other structures; the transfer chain is one kind and is used for carrying out automatic the carrying to the work piece is in the equipment of circulation and processing between different stations, according to the difference of work piece structure, the structure of transfer chain often also has different designs.

In the prior art, a conveying line for realizing automatic conveying of long workpieces is generally a linear conveying line; in the actual production process, in order to improve the production efficiency of the workpiece, a plurality of stations are often designed in a single conveying line to process the workpiece at the same time, so the length of the linear conveying line is generally longer; the design not only occupies a larger use area for the whole conveying line, but also is unfavorable for the circulation of processing auxiliary materials in the production and processing processes, and has limited lifting effect on the production efficiency of workpieces.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a circulating conveying line suitable for strip workpiece production, which is formed by combining an annular track mechanism, a conveying driving mechanism and a plurality of workpiece jig mechanisms, wherein the workpiece jig mechanisms comprise a positioning jig assembly, and a first bearing pulley conveying assembly and a second bearing pulley conveying assembly which are connected with the annular track mechanism and the conveying driving mechanism and are respectively arranged at two ends of the bottom of the positioning jig assembly; the first bearing pulley conveying assembly and the second bearing pulley conveying assembly are combined with the annular track mechanism, so that workpieces can smoothly rotate and bend in the conveying process, the circulating conveying processing of long-strip workpieces can be effectively realized, the circulation and the production efficiency of the long-strip workpieces are improved, and the annular conveying line is compared with the linear conveying line, the integral use area of the conveying line can be effectively reduced, and the occupied area of equipment is reduced.

The technical effects to be achieved by the utility model are realized by the following technical scheme:

the utility model relates to a circulating conveying line suitable for strip workpiece production, which comprises a frame;

the annular track mechanism is arranged on the frame and is used for realizing the cyclic conveying of the workpieces;

the conveying driving mechanism is arranged on the frame and used for providing a power source for workpiece conveying;

the workpiece fixture mechanisms are connected with the conveying driving mechanism and arranged on the annular track mechanism and are used for installing and fixing the strip workpieces;

the workpiece fixture mechanism comprises a positioning fixture assembly for installing and fixing a workpiece, and a first bearing pulley conveying assembly and a second bearing pulley conveying assembly which are connected with the annular track mechanism and the conveying driving mechanism and are respectively arranged at two ends of the bottom of the positioning fixture assembly.

As one preferable scheme, the first bearing pulley conveying assembly and the second bearing pulley conveying assembly comprise conveying assembly mounting plates, a linkage bearing unit which is connected with the positioning jig assembly and arranged on the conveying assembly mounting plates, a pulley unit which is connected with the bottoms of the conveying assembly mounting plates and is arranged on the annular track mechanism in a sliding manner, and a transfer linkage block which is connected with the conveying driving mechanism and arranged on the side edges of the conveying assembly mounting plates.

As one preferable scheme, the linkage bearing unit comprises a linkage bearing arranged on the mounting plate of the conveying assembly and a linkage shaft connected between the linkage bearing and the bottom of the positioning jig assembly.

As one preferable scheme, the pulley unit comprises a first pulley block which is arranged on the annular track mechanism in a sliding way, and a second pulley block which is opposite to the first pulley block and is arranged on the annular track mechanism in a sliding way.

As one preferable scheme, the positioning jig assembly comprises a jig assembly mounting plate, a first positioning block arranged on one end of the jig assembly mounting plate, a second positioning block arranged on the middle part or the other end of the jig assembly mounting plate, and a third positioning unit arranged on the other end or the middle part of the jig assembly mounting plate.

As one preferable scheme, the third positioning unit comprises an L-shaped mounting block arranged on the mounting plate of the jig assembly, a mounting base plate arranged on the side edge of the L-shaped mounting block, a limiting mounting block arranged on the mounting base plate, and a positioning column arranged on the limiting mounting block;

the locating column comprises a locating column installation part arranged on the locating column installation block, a locating column limiting part connected with the locating column installation part, and a workpiece locating part arranged at the top of the locating column limiting part.

As one preferable scheme, the first positioning block and the second positioning block are both L-shaped positioning blocks; the first positioning block comprises an L-shaped positioning block body and a workpiece limiting groove arranged at the top of the L-shaped positioning block body.

As one preferable scheme, the annular track mechanism comprises side track assemblies which are mutually perpendicular and arranged at the top of the frame, and arc track assemblies connected between two adjacent side track assemblies.

As one preferable scheme, the conveying driving mechanism comprises a chain wheel assembly which is arranged at four corners of the frame correspondingly, a transmission chain which is connected with the first bearing pulley conveying assembly and the second bearing pulley conveying assembly and is arranged on the chain wheel assembly, and a motor driving assembly which is connected with the chain wheel assembly and is used for providing a conveying power source.

As one preferable scheme, the circulating conveyor line suitable for strip workpiece production further comprises a jig positioning mechanism arranged on the frame and used for positioning the workpiece jig mechanism, and an in-place detection mechanism arranged on the frame and used for detecting whether the workpiece jig mechanism moves in place or not;

the jig positioning mechanism comprises a positioning mechanism mounting frame, a rotating shaft rotatably arranged on the positioning mechanism mounting frame, a swinging positioning block arranged on the rotating shaft, a telescopic driving cylinder assembly arranged on the frame, and a swinging linkage block with one end connected with the tail end of the telescopic driving cylinder assembly and the other end connected with the rotating shaft;

the in-place detection mechanism comprises a detection mechanism mounting frame arranged on the frame, and an in-place detection sensor which corresponds to the workpiece jig mechanism and is arranged on the detection mechanism mounting frame.

In summary, the present utility model has at least the following advantages:

the utility model relates to a circulating conveying line suitable for strip workpiece production, which is formed by combining an annular track mechanism, a conveying driving mechanism and a plurality of workpiece jig mechanisms, wherein the workpiece jig mechanisms comprise positioning jig assemblies, and a first bearing pulley conveying assembly and a second bearing pulley conveying assembly which are connected with the annular track mechanism and the conveying driving mechanism and are respectively arranged at two ends of the bottom of the positioning jig assemblies; the first bearing pulley conveying assembly and the second bearing pulley conveying assembly are combined with the annular track mechanism, so that workpieces can smoothly rotate and bend in the conveying process, the circulating conveying processing of long-strip workpieces can be effectively realized, the circulation and the production efficiency of the long-strip workpieces are improved, and the annular conveying line is compared with the linear conveying line, the integral use area of the conveying line can be effectively reduced, and the occupied area of equipment is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of a circulation conveyor line suitable for the production of elongated workpieces in an embodiment of the utility model;

FIG. 2 is an exploded view of the overall structure of a circulation conveyor line suitable for use in the production of elongated workpieces in accordance with an embodiment of the present utility model;

FIG. 3 is an exploded view (front side) of the structure of the tool mechanism in an embodiment of the utility model;

FIG. 4 is an exploded view (bottom view) of the structure of the tool mechanism according to the embodiment of the present utility model;

fig. 5 is a partially enlarged view at a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1:

referring to fig. 1, a circulating conveyor line for producing long workpieces in this embodiment includes a frame 100, an annular rail mechanism 200 and a conveying driving mechanism 300 disposed on the frame 100, and a plurality of workpiece jig mechanisms 400 connected to the conveying driving mechanism 300 and disposed on the annular rail mechanism 200; wherein the frame 100 is used for installing and fixing other mechanisms and supporting the whole conveyor line; the annular track mechanism 200 is used for realizing the cyclic conveying of workpieces, and the conveying driving mechanism 300 is used for providing a power source for workpiece conveying; the workpiece fixture mechanism 400 is used for mounting and securing elongated workpieces.

Referring to fig. 1 and 2, the workpiece fixture mechanism 400 includes a positioning fixture assembly 410 for mounting and fixing a workpiece, and a first bearing pulley conveying assembly 420 and a second bearing pulley conveying assembly 430 connected to the endless track mechanism 200 and the conveying driving mechanism 300 and separately disposed at two ends of the bottom of the positioning fixture assembly 410; when carrying rectangular work piece, first bearing pulley conveying component 420 and second bearing pulley conveying component 430 can combine together with annular rail mechanism 200, realize the smooth gyration and the turning of work piece, the circulation of effectual realization rectangular work piece carries processing, improves the circulation and the production efficiency of rectangular work piece.

Referring to fig. 1 and 2, the frame 100 includes a frame body 110, and a plurality of height-adjustable support legs 120 and movable universal wheels 130 disposed at the bottom of the frame body 110; when the conveying line is installed, the universal wheels 130 can be moved to reduce the difficulty of installing the conveying line and improve the simplicity of installing the conveying line, and after the conveying line is moved to a specified installing position, the conveying line is integrally supported by adjusting the height-adjustable supporting legs 120 so as to prevent the conveying line from being integrally shifted in the workpiece machining process, so that the integral installation of the conveying line is completed.

Referring to fig. 1, the circular rail mechanism 200 includes side rail assemblies perpendicular to each other and disposed at the top of the frame body 110, and an arc-shaped rail assembly 220 connected between two adjacent side rail assemblies 210; referring further to fig. 2, the side rail assembly 210 includes a first long side rail unit 211 and a second long side rail unit 212 disposed opposite to each other, and a first short side rail unit 213 and a second short side rail unit 214 disposed opposite to each other between the first long side rail unit 211 and the second long side rail unit 212; preferably, the lengths of the first long side rail unit 211 and the second long side rail unit 212 are at least 3 times as long as the first short side rail unit 213 and the second short side rail unit 214.

The first long side rail unit 211 and the second long side rail unit 212 are mainly used for setting processing stations and realizing processing and conveying of long workpieces; the first short side rail unit 213, the second short side rail unit 214 and the arc rail assembly 220 are combined, and are mainly used for realizing cyclic rotation conveying of workpieces and improving conveying efficiency of the workpieces. Further, the arc-shaped rail assembly 220 includes a first arc-shaped rail unit 221 connected between the first long-side rail unit 211 and the first short-side rail unit 213, a second arc-shaped rail unit 222 connected between the first short-side rail unit 213 and the second long-side rail unit 212, a third arc-shaped rail unit 223 connected between the second long-side rail unit 212 and the second short-side rail unit 214, and a fourth arc-shaped rail unit 224 connected between the second short-side rail unit 214 and the first long-side rail unit 211.

Referring to fig. 1 and 2, the conveying driving mechanism 300 includes a sprocket assembly 310 disposed corresponding to four corners of the frame 100, a transmission chain 320 (only a part of the structure is shown in the drawings) coupled to the sprocket assembly 310 and connected to the first bearing pulley conveying assembly 420 and the second bearing pulley conveying assembly 430, and a motor driving assembly 330 coupled to the sprocket assembly 310 for providing a conveying power source; when the motor driving assembly 330 is turned on, the sprocket assembly 310 connected with the motor driving assembly 330 can rotate under the driving action of the motor driving assembly 330, so as to drive the transmission chain 320 arranged on the motor driving assembly to move, thereby realizing the circulating conveying of the first bearing pulley conveying assembly 420 and the second bearing pulley conveying assembly 430 connected with the transmission chain 320.

Example 2:

referring to fig. 1 and 2, in the present embodiment, the circulating conveyor line for producing long workpieces is the same as that in embodiment 1, and includes a frame 100, an annular rail mechanism 200 and a conveying driving mechanism 300 disposed on the frame 100, and a plurality of workpiece jig mechanisms 400 connected to the conveying driving mechanism 300 and disposed on the annular rail mechanism 200; the main difference is that, in this embodiment, based on embodiment 1, the workpiece fixture mechanism 400 is further designed, and the specific design is as follows:

referring to fig. 1 and 2, the workpiece fixture mechanism 400 includes a positioning fixture assembly 410 for mounting and fixing a workpiece, and a first bearing pulley conveying assembly 420 and a second bearing pulley conveying assembly 430 connected to the endless track mechanism 200 and the conveying driving mechanism 300 and respectively disposed at two ends of the bottom of the positioning fixture assembly 410.

Referring to fig. 3 and 4, the positioning jig assembly 410 includes a jig assembly mounting plate 411 connected to the first bearing pulley conveying assembly 420 and the second bearing pulley conveying assembly 430, a first positioning block 412 disposed on one end of the jig assembly mounting plate 411, a second positioning block 413 disposed on the middle or other end of the jig assembly mounting plate 411, and a third positioning unit 414 disposed on the other end or middle of the jig assembly mounting plate 411. Further, the first positioning block 412 and the second positioning block 413 are L-shaped positioning blocks; preferably, the first positioning block 412 includes an L-shaped positioning block body 4121, and a workpiece limiting groove 4122 provided at the top of the L-shaped positioning block body 4121 for limiting and fixing a workpiece; the second positioning block 413 is not limited to a specific structure as long as it can satisfy the auxiliary support for the workpiece.

Further, the third positioning unit 414 includes an L-shaped mounting block 4141 provided on the fixture assembly mounting plate 411, a mounting pad 4142 provided on a side of the L-shaped mounting block 4141, a spacing mounting block 4143 provided on the mounting pad 4142, and a positioning column 4144 provided on the spacing mounting block 4143; the positioning column 4144 is combined with the first positioning block 412 to effectively realize complete limiting and fixing of the workpiece, and preferably, the positioning column 4144 includes a positioning column mounting portion 4144a mounted on the limiting mounting block 4143, a positioning column limiting portion 4144b connected to the positioning column mounting portion 4144a, and a workpiece positioning portion 4144c disposed on top of the positioning column limiting portion 4144b for limiting and fixing the workpiece.

Referring to fig. 3 and 4, the first bearing pulley conveying assembly 420 and the second bearing pulley conveying assembly 430 each include a conveying assembly mounting plate 421, a linkage bearing unit 422 connected to the positioning jig assembly 410 and disposed on the conveying assembly mounting plate 421, a pulley unit 423 connected to the bottom of the conveying assembly mounting plate 421 and slidably disposed on the endless track mechanism 200, and a transfer linkage block 424 connected to the transmission chain 320 of the conveying driving mechanism 300 and disposed on a side of the conveying assembly mounting plate 421. Further, the linkage bearing unit 422 includes a linkage bearing 4221 provided on the conveying assembly mounting plate 421, and a linkage shaft 4222 connected between the linkage bearing 4221 and the bottom of the positioning jig assembly 410; the pulley unit 423 includes a first pulley block 4231 slidably disposed on the endless track mechanism 200, and a second pulley block 4232 slidably disposed on the endless track mechanism 200 opposite to the first pulley block 4231.

When the transfer linkage block 424 moves under the driving action of the transmission chain 320, the conveying component mounting plate 421 can be driven to move simultaneously, at this time, the pulley unit 423 arranged at the bottom of the conveying component mounting plate 421 can slide and transfer on the annular track mechanism 200, when moving to the corner of the annular track mechanism 200, the linkage bearing unit 422 connected between the conveying component mounting plate 421 and the positioning jig component 410 can rotate under the action of the driving force, so that the positioning jig component 410 swings and smoothly passes through the corner of the annular track mechanism 200, and the circulation and rotary conveying of workpieces are effectively realized, so that the production efficiency of the workpieces is improved, and the whole use area of the conveying line is reduced.

Example 3:

the circulating conveyor line applicable to the production of the long-strip workpieces in the embodiment is the same as that in the embodiment 1 or 2, and comprises a frame 100, an annular rail mechanism 200 and a conveying driving mechanism 300 which are arranged on the frame 100, and a plurality of workpiece jig mechanisms 400 which are connected with the conveying driving mechanism 300 and are arranged on the annular rail mechanism 200; the main differences are that:

referring to fig. 1, the circulating conveyor line for producing long workpieces in this embodiment further includes a fixture positioning mechanism 500 disposed on the frame 100 for positioning the workpiece fixture mechanism 400, and an in-place detection mechanism 600 disposed on the frame 100 for detecting whether the workpiece fixture mechanism 400 moves in place. Referring further to fig. 5, the fixture positioning mechanism 500 includes a positioning mechanism mounting frame 510, a rotating shaft 520 rotatably mounted on the positioning mechanism mounting frame 510, a swinging positioning block 530 mounted on the rotating shaft 520, a telescopic driving cylinder assembly 540 mounted on the frame 100, and a swinging linkage block 550 with one end connected to the end of the telescopic driving cylinder assembly 540 and the other end connected to the rotating shaft 520. Referring further to fig. 2, the in-place detecting mechanism 600 includes a detecting mechanism mounting frame 610 provided on the frame 100, and an in-place detecting sensor 620 provided on the detecting mechanism mounting frame 610 corresponding to the workpiece jig mechanism 400.

When the in-place detection sensor 620 detects that the workpiece fixture mechanism 400 moves in place, the telescopic driving cylinder assembly 540 is started to drive the swing linkage block 550 connected with the telescopic driving cylinder assembly to move, so that the rotating shaft 520 connected with the other end part of the swing linkage block 550 is driven to rotate, and further the swing positioning block 530 arranged on the rotating shaft 520 swings to clamp and position the workpiece fixture mechanism 400.

According to the technical scheme of the embodiment, the circulating conveying line suitable for strip workpiece production is provided, so that circulating conveying processing of strip workpieces can be effectively realized, circulation and production efficiency of the strip workpieces are improved, and compared with a linear conveying line, the annular conveying line can effectively reduce the whole using area of the conveying line and reduce the occupied area of equipment.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the spirit and scope of the following claims.

Claims (8)

1. Circulation transfer chain suitable for rectangular work piece production, its characterized in that includes:

a frame;

the annular track mechanism is arranged on the frame and is used for realizing the cyclic conveying of the workpieces;

the conveying driving mechanism is arranged on the frame and used for providing a power source for workpiece conveying;

the workpiece fixture mechanisms are connected with the conveying driving mechanism and arranged on the annular track mechanism and are used for installing and fixing the strip workpieces;

the workpiece fixture mechanism comprises a positioning fixture assembly for installing and fixing a workpiece, and a first bearing pulley conveying assembly and a second bearing pulley conveying assembly which are connected with the annular track mechanism and the conveying driving mechanism and are respectively arranged at two ends of the bottom of the positioning fixture assembly;

the positioning jig assembly comprises a jig assembly mounting plate, a first positioning block arranged at one end of the jig assembly mounting plate, a second positioning block arranged at the middle part or the other end of the jig assembly mounting plate, and a third positioning unit arranged at the other end or the middle part of the jig assembly mounting plate;

the first bearing pulley conveying assembly and the second bearing pulley conveying assembly comprise conveying assembly mounting plates, are connected with the positioning jig assembly and are arranged on linkage bearing units on the conveying assembly mounting plates, are connected with the bottoms of the conveying assembly mounting plates and are arranged on pulley units on the annular track mechanisms in a sliding mode, and are connected with the conveying driving mechanisms and are arranged on conveying linkage blocks on the side edges of the conveying assembly mounting plates.

2. The endless conveyor line for use in the production of elongated workpieces of claim 1, wherein said ganged bearing unit includes a ganged bearing disposed on said conveyor assembly mounting plate and a ganged shaft connected between said ganged bearing and said positioning jig assembly bottom.

3. The endless conveyor line for use in the production of elongated workpieces according to claim 1, wherein said pulley unit comprises a first pulley block slidably disposed on said endless track mechanism, and a second pulley block slidably disposed on said endless track mechanism opposite said first pulley block.

4. The circulation conveyor line for producing long workpieces according to claim 1, wherein the third positioning unit comprises an L-shaped mounting block arranged on the mounting plate of the jig assembly, a mounting base plate arranged on the side edge of the L-shaped mounting block, a limit mounting block arranged on the mounting base plate, and a positioning column arranged on the limit mounting block;

the locating column comprises a locating column installation part arranged on the locating column installation block, a locating column limiting part connected with the locating column installation part, and a workpiece locating part arranged at the top of the locating column limiting part.

5. The circulation conveyor line for the production of elongated workpieces according to claim 1, wherein the first positioning block and the second positioning block are both L-shaped positioning blocks;

the first positioning block comprises an L-shaped positioning block body and a workpiece limiting groove arranged at the top of the L-shaped positioning block body.

6. The endless conveyor line for use in the production of elongated workpieces of claim 1, wherein said endless track mechanism includes side track assemblies disposed on top of said frame and perpendicular to each other, and arcuate track assemblies connected between adjacent ones of said side track assemblies.

7. The endless conveyor line for use in the production of elongated workpieces according to claim 1, wherein said conveyor drive mechanism comprises sprocket assemblies disposed in correspondence with four corners of said frame, a drive chain connected to said first and second bearing pulley conveyor assemblies and disposed on said sprocket assemblies, and a motor drive assembly connected to said sprocket assemblies for providing a source of conveyor power.

8. The circulation conveyor line for producing long workpieces according to claim 1, further comprising a jig positioning mechanism arranged on the frame for positioning the workpiece jig mechanism, and an in-place detection mechanism arranged on the frame for detecting whether the workpiece jig mechanism is moved in place;

the jig positioning mechanism comprises a positioning mechanism mounting frame, a rotating shaft rotatably arranged on the positioning mechanism mounting frame, a swinging positioning block arranged on the rotating shaft, a telescopic driving cylinder assembly arranged on the frame, and a swinging linkage block with one end connected with the tail end of the telescopic driving cylinder assembly and the other end connected with the rotating shaft;

the in-place detection mechanism comprises a detection mechanism mounting frame arranged on the frame, and an in-place detection sensor which corresponds to the workpiece jig mechanism and is arranged on the detection mechanism mounting frame.